extern void DisplayLevel();
extern void DrawField(int X, int Y);
extern void DrawFieldAnimated(int X, int Y);
extern void DisplayLevel();
extern void DrawField(int X, int Y);
extern void DrawFieldAnimated(int X, int Y);
extern void menEdit_Click();
extern void menPlaySpeed_Click(int Index);
extern void menStop_Click();
extern void menEdit_Click();
extern void menPlaySpeed_Click(int Index);
extern void menStop_Click();